Lawn care in Johnston, IA: we connect you with top-rated local lawn pros, checked by our team — their proposals come straight to your Homeshi account. Free for property owners.
Lawn care in Johnston: about 36 inches of rain a year and an average temperature of 50°F set the mowing and watering season.
In Polk County, July highs average about 85°F and January lows about 13°F, with roughly 36 inches of rain a year. Long, cold winters put furnaces and pipes to the test.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, hailstorms and floods in Polk County, with hail up to 3.25 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
Polk County has had 13 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Storms And Flooding (2026).
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Weekly in the growing season, every two weeks as it slows.
At the start of the growing season and again mid-season; your lawn pro times it to your grass type.
Yes — ask for weekly or every-other-week visits; the plan and price come in the proposal.
These are Polk County figures — more about homes in Des Moines.
Grimes · Urbandale · Windsor Heights · Polk City · Granger · Clive · Ankeny · Des Moines